FR818884A - Electric transmission systems - Google Patents

Electric transmission systems

Info

Publication number
FR818884A
FR818884A FR818884DA FR818884A FR 818884 A FR818884 A FR 818884A FR 818884D A FR818884D A FR 818884DA FR 818884 A FR818884 A FR 818884A
Authority
FR
France
Prior art keywords
transmission systems
electric transmission
electric
systems
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR818884A publication Critical patent/FR818884A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
FR818884D 1936-01-09 1936-12-31 Electric transmission systems Expired FR818884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58320A US2106337A (en) 1936-01-09 1936-01-09 Transmission system

Publications (1)

Publication Number Publication Date
FR818884A true FR818884A (en) 1937-10-05

Family

ID=22016088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818884D Expired FR818884A (en) 1936-01-09 1936-12-31 Electric transmission systems

Country Status (2)

Country Link
US (1) US2106337A (en)
FR (1) FR818884A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472211A (en) * 1945-12-13 1949-06-07 Automatic Elect Lab Antisinging gain controlled repeater
US2615997A (en) * 1946-12-13 1952-10-28 Kellogg Switchboard & Supply Telephone repeater
US3054859A (en) * 1958-04-11 1962-09-18 Telephone Mfg Co Ltd Arrangements for providing two-way communication at intermediate points on a telephone circuit
FR1215805A (en) * 1958-11-18 1960-04-20 Cie Ind Des Telephones Improvements to voice-frequency amplifiers

Also Published As

Publication number Publication date
US2106337A (en) 1938-01-25

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